Java Full Stack Developer

Job Title: Java Full Stack Developer (Java + React.js)

Experience: 9-13 Years
Employment Type: Full-Time
Job Location: Pune
Notice Period: Immediate to 30 Days Preferred

Job Summary

We are looking for a highly skilled Java Full Stack Developer with strong expertise in Java, Spring Boot, Microservices, and React.js to design, develop, and maintain scalable, high-performance enterprise applications. The ideal candidate should have hands-on experience building robust backend services, developing responsive frontend applications, integrating REST APIs, and working with relational and NoSQL databases.

The candidate will collaborate with cross-functional teams to deliver secure, scalable, and high-quality software solutions in an Agile development environment.

Key Responsibilities

• Design, develop, and maintain end-to-end web applications using Java, Spring Boot, and React.js.
• Build scalable backend services and RESTful APIs using Java, Spring Boot, and Microservices architecture.
• Develop dynamic, responsive, and reusable UI components using React.js, JavaScript, HTML5, and CSS3.
• Integrate frontend applications with backend services and third-party APIs.
• Implement business logic, application security, authentication, and authorization.
• Work with databases such as PostgreSQL, MySQL, Oracle, or MongoDB.
• Write clean, maintainable, reusable, and efficient code following industry best practices.
• Perform unit testing, integration testing, debugging, and performance optimization.
• Collaborate with product owners, business analysts, QA engineers, and DevOps teams.
• Participate in code reviews, technical discussions, sprint planning, and Agile ceremonies.
• Troubleshoot production issues and contribute to application stability and reliability.
• Use Git and CI/CD pipelines to support version control, build automation, and deployment.

Required Technical Skills

Backend Technologies

• Strong proficiency in Core Java, OOP concepts, Collections, Exception Handling, and Multithreading.
• Hands-on experience with Spring Boot, Spring MVC, Spring Security, and Hibernate/JPA.
• Experience developing RESTful APIs and Microservices.
• Understanding of distributed systems and backend application design.

Frontend Technologies

• Strong hands-on experience with React.js, functional components, and React Hooks.
• Proficiency in JavaScript (ES6+), HTML5, and CSS3.
• Experience with state management using Redux, Context API, or equivalent solutions.
• Experience integrating REST APIs into React applications.
• Understanding of responsive design, reusable components, and frontend performance optimization.

Database & ORM

• Experience with SQL databases such as PostgreSQL, MySQL, or Oracle.
• Strong knowledge of SQL queries, joins, indexing, and query optimization.
• Experience with Hibernate and JPA.
• Exposure to MongoDB or other NoSQL databases is an advantage.

Tools & Engineering Practices

• Version control using Git, GitHub, GitLab, or Bitbucket.
• Build tools such as Maven or Gradle.
• Unit testing using JUnit, Mockito, and Jest or React Testing Library.
• Familiarity with Docker, Jenkins, CI/CD, and cloud platforms such as AWS, Azure, or GCP is preferred.
• Experience working in Agile/Scrum environments.

Preferred Qualifications

• Experience building enterprise-grade, scalable web applications.
• Knowledge of application security, JWT, OAuth 2.0, and role-based access control.
• Familiarity with Kafka or other messaging technologies.
• Understanding of caching, logging, monitoring, and application performance tuning.
• Exposure to Kubernetes and cloud-native application deployment.
• Strong analytical, problem-solving, and communication skills.

Education

Bachelors or Masters degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent practical experience.

Ideal Candidate Profile

• Strong hands-on developer with expertise across both Java backend and React frontend.
• Capable of independently developing features from UI to database.
• Strong debugging, analytical, and problem-solving abilities.
• Comfortable working in a collaborative, fast-paced Agile environment.
• Focused on code quality, scalability, security, and maintainability.Role & responsibilities

Preferred candidate profile

if anyone interested please share your updated cv to

karthik.p@kanarystaffing.com